Unit 1 :The Living World: Ecosystems
The relationship between a bee and a flower is (pg. 44)
A) mutualism
B) commensalism
C) parasitism
D) competition
A) mutualism
Both the bee and flower receive benefits.
Why do distant islands have less biodiversity? (pg. 62)
A) Birds can migrate faster
B) Species have more niches there
C) Survival of the fittest, the island is too distant
D) The island is easier to access for specialist species
C) Survival of the fittest, the island is too distant
An example of a r-selected species include... (pg. 73)
A) Lions
B) Humans
C) Frogs
D) Horses
C) Frogs
Two Tectonic plates move away from each other at which boundary? (pg. 88)
A) divergent
B) convergent
C) colliding
D) subsiding
A) divergent
What is the process of clear-cutting? (pg. 104)
A) Every tree in a commercial area is cut down
B) Tree species are taken from the Amazon Rainforest and grown across the world
C) Specific tree species have benefit on the carrying capacity
D) Some trees from an area are used for housing
A) Every tree in a commercial area is cut down
What type of ecosystem is most likely found in the polar region? (pg. 45)
A) Tundra
B) Rainforest
C) Taiga
D) Grasslands
A) Tundra
Mass extinction deeply affects the earth, what is a significant cause? (pg. 64)
A) overfishing
B) Agriculture
C) Distant islands
D) Weather events
D) weather events
What state of the Demographic Transition model is when the birth rates are the lowest? (pg. 81)
A) Pre-industrial
B) Transitional
C) Industrial
D) Post-industrial
D) Post-industrial
Earth's atmosphere layer approximately 50-90 km above earth's surface is the... (pg. 91)
A) Pedosphere
B) Stratosphere
C) Biosphere
D) mesosphere
D) mesosphere
Overusing pesticides may cause... (pg. 118)
A) decreased biodiversity
B) sustainable agriculture
C) Pesticide-resistant pests
D) Tragedy of The Commons
C) Pesticide-resistant pests
In a Tundra ecosystem, The Net Primary Production (NPP) of the producers is 5,200 kcal/year. (pg. 53)
Part A) With the 10% rule, calculate how much energy is available to primary consumers.
Part B) How much energy is available to secondary consumers after primary consumers?
Part C) How much energy is available to tertiary consumers after secondary consumers?
A) 520
B) 52
C) 5.2
MATH: Use the following formula of the Species-Area Relationship where S=cAz (pg. 62)
S = amount of species
A= area of the island
c = a constant to region
z = a constant
An island has an area of 4000km2 with over 100 native bird species. Another island has an area of 100km2.
If c and z = 0.25 to both islands, calculate how many species would be found on the smaller island.
40 species
A large population can be sustainably supported by using the environments available resources is called... (pg. 76)
A) Overshoot
B) Population Growth
C) Carrying Capacity
D) Industrial state
B) Carrying Capacity
A watershed with 300-hectares in the Amazon Rainforest has 68% of precipitation becoming surface runoff (120 cm a year). (pg. 93)
Calculate the annual surface runoff.
24,480
An aqua culture farm has a stock of 123,456 pufferfishes, the average weight per fish is approximately 2.5kg. Calculate the total biomass harvested and show you work. (Round to nearest tenth if needed) (pg. 120)
123,456fish x 2.5kg = 308,640
Which of the following correctly states the organization of living things? (pg. 44)
A) Biosphere -> communities -> ecosystems -> populations
B) Ecosystems -> biosphere -> communities -> populations
C) Communities -> biosphere -> ecosystem -> populations
D) Biosphere -> ecosystems -> communities -> populations
D) Biosphere -> ecosystems -> communities -> populations
Why would ecosystems need a variety of specialists and generalists? (pg. 60)
A) To reduce biodiversity
B) To reduce loss of habitats
C) To reduce overfishing
D) To maintain the economic stability of the people
B) To reduce loss of habitats
Population Growth (pg. 80)
Turkiye and Sweden have approximately 10 million people. Turkiye has a CBR of 10 and a CDR of 13. Sweden has a CBR of 9 and a CDR of 14.
A) Find the national population growth of each country.
Turkiye = -0.3%
Sweden = -0.5%
Soil composition that is referred to as the zone of leaching is called... (pg. 90)
A) Last Horizon
B) A Horizon
C) F Horizon
D) E Horizon
D) E Horizon
Genetically Modified Organisms (GMO) have identified health results for species, this causes a decrease towards... (pg. 106)
A) The economic stability of the market
B) Biodiversity
C) Sustainable Yield
D) Competition
B) Biodiversity
Which statement is true about the Carbon cycle? (pg. 47)
A) The Carbon cycle has equivalent mass to the Nitrogen cycle
B) Biomagnification has an impact throughout the Carbon cycle
C) Precipitation may disrupt the Carbon cycle by infiltrating the roots
D) Almost all Carbon is from terrestrial biomes
D) Almost all Carbon is from terrestrial biomes
BT-cotton can be defined as a (pg. 63)
A) Modified plant
B) GMO (Genetically Modified Organism)
C) Pesticide-Resistant Pest (PRP); evolution
D) Natural selection
B) GMO (Genetically Modified Organism)
What type of survivorship curve has offspring that lives to a certain age? (pg. 75)
A) Type I
B) Type II
C) Type III
D) Type IIII
C) Type III
The lithosphere is made part of soil by rock and organic matter formation, which of the following is NOT a process? (pg. 90)
A) Physical weathering
B) Chemical weathering
C) Monsoon weathering
D) Biological weathering
C) Monsoon Weathering
By-catch in aquaculture occurs most of the time when fishing, what happens to the fish after they are caught unintentionally? (pg. 120)
A) They are thrown back into the water
B) They benefit the market by its capacity
C) They are unused and die-off
D) They are used as bait for fisheries
C) The are unused and die-off